CN101954140B - Mask cushioning and forehead pad for a respiratory mask, respiratory mask, manufacturing mould and method for producing the same - Google Patents

Mask cushioning and forehead pad for a respiratory mask, respiratory mask, manufacturing mould and method for producing the same Download PDF

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Publication number
CN101954140B
CN101954140B CN2010102322641A CN201010232264A CN101954140B CN 101954140 B CN101954140 B CN 101954140B CN 2010102322641 A CN2010102322641 A CN 2010102322641A CN 201010232264 A CN201010232264 A CN 201010232264A CN 101954140 B CN101954140 B CN 101954140B
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China
Prior art keywords
mask
cross
patient
treatment
breathing equipment
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CN2010102322641A
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Chinese (zh)
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CN101954140A (en
Inventor
伯恩德·朗
阿奇姆·比纳
马丁·贝克特尔
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MAP Medizin Technologie GmbH
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Priority claimed from DE2002126587 external-priority patent/DE10226587A1/en
Priority claimed from DE2002128554 external-priority patent/DE10228554A1/en
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Publication of CN101954140A publication Critical patent/CN101954140A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • A61M16/0622—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure having an underlying cushion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0633—Means for improving the adaptation of the mask to the patient with forehead support
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0633—Means for improving the adaptation of the mask to the patient with forehead support
    • A61M16/0644—Means for improving the adaptation of the mask to the patient with forehead support having the means for adjusting its position
    • A61M16/065—Means for improving the adaptation of the mask to the patient with forehead support having the means for adjusting its position in the form of a pivot
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0611—Means for improving the adaptation of the mask to the patient with a gusset portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0216—Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/7343—Heating or cooling of the mould heating or cooling different mould parts at different temperatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1676—Making multilayered or multicoloured articles using a soft material and a rigid material, e.g. making articles with a sealing part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/753—Medical equipment; Accessories therefor

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Emergency Medicine (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention relates to mask cushioning for a respiratory mask, a respiratory mask, and method for producting the same. The aim of the invention is to provide air-tight cushioning for a respiratory mask, in addition to a respiratory mask that is characterised by a sufficiently good air-tight action and is extremely comfortable to wear. This is achieved by a mask cushioning device for a respiratory mask, comprising a receiving opening, which corresponds at least to the nose and/or mouth region of a mask user, when the mask is worn and comprising a sealing lip that is configured from an elastomer material, surrounds the receiving opening and rests on the surface of the face of the mask wearer. The mask cushioning is characterised in that zones with an increased cross-section are configured in the mask cushioning and that the mask cushioning material in said zones has different material properties in such a way that the shore hardness of the mask cushioning in the border region is higher than that in the core region or at least close to said region. The invention also relates to a respiratory mask equipped with a corresponding mask cushioning device, in addition to a method and a mould for producing the same.

Description

The mask pad of respiratory mask and forehead pad, respiratory mask and mould and the method for making this mask
The application is that denomination of invention is " mask pad of respiratory mask and forehead pad, respiratory mask and mould and the method for making this mask ", the applying date to be that June 16, application number in 2003 are dividing an application of 03813817.4 application for a patent for invention.
Technical field
The present invention relates to a kind of mask pad and forehead pad that is used for respiratory mask, respiratory mask itself and the mould and the method that are used to make this respiratory mask.The invention particularly relates to a kind of like this mask pad and the respiratory mask that is equipped with the sort of mask pad, by this mask pad, the inner space that the surface constituted of this respiratory mask and this mask user's face is sealed shut out with respect to ambient atmosphere, to such an extent as to can form with respect to the ambient pressure increased pressure in the inner space of respiratory mask in the phase-wise mode at least.This respiratory mask especially can be used for the medical science or the treatment of breathable gas to be used, and also can be used for technical elements, for example is used in the aspect of breathing apparatus technology.The present invention always also relates to hermetically-sealed construction and is used for making the method for sealing structure.
Background technology
Usually, by this respiratory mask, the sealing function that is associated with the surface of mask user's face realizes that by sealing lip limit structure sealing lip limit structure is extended with the relation of inside sensing around the opening of mask, and is formed by elastic deformable material.
The sealing function of being realized by this sealing lip limit is pressed against the increase of the lip-deep pressure of face along with the sealing lip limit usually and increases.Under the situation of high relatively contact pressure, especially under the sort of situation of life-time service respiratory mask, can go wrong.
Summary of the invention
The purpose of this invention is to provide a kind of liner and sealing mask itself that is used to seal mask, the invention has the advantages that effective high-seal effect and height comfortable wearing.
According to a first aspect of the invention, the objective of the invention is to realize by a kind of like this mask pad device that is used for respiratory mask, this mask pad device comprises that one receives opening and a sealing lip limit, wherein, receiving opening coincides the position that applies of respiratory mask at least with mask user's the nose and/or the open area of mouth, and the sealing lip limit is formed by elastomeric material, extend around receiving opening, and be in the lip-deep position that applies that is engaged in mask user face, wherein, described mask pad device characteristic is: the cross section thickened area is provided in mask pad, and the mask pad material of described cross section thickened area has different material properties, make mask pad Shore hardness and/or in this cross section thickened area, be in core density being higher than in the marginal area of cross section thickened area or at least near the core place the zone in.
By this way, useful is to provide a kind of the different faces structure height of more extensive variation is adapted to the mask pad device of characteristics.
According to a highly advantageous elaboration of the invention, the mask pad device is a kind of like this structure, that is: the Shore hardness of mask pad is lower than in the zone of surrounding zone near buccal, upper lip or nose sidepiece, and wherein said surrounding zone is in the position that applies near the forehead or the bridge of the nose.
By this way, useful is, cushion device can be supported, especially supported in the zone of the bridge of the nose, and forehead region or nasal bridge region with effectively and the mode of elastic buffer supported.
Preferably, the mask pad device is in the zone of cross section thickened area, and material has the colloidal material characteristic.
According to particularly preferred embodiment of the present invention, the dissimilar material properties in the zone of cross section thickened area can realize so that is: different modes realizes the sclerosis of mask pad material with the zone difference with the degree of cross linking of material.
Above-mentioned cross section thickened area can offer the mask pad device in the mode on their direct contiguous seal lip limits.By this way, the function on sealing lip limit can be restricted to substantially sufficient sealing function is provided, and by means of the cross section thickened area, can be so that the respiratory mask device be supported on mask user's the surface of face.
As a kind of modification of above-mentioned measure-or when the radial section geometry of mask cushion device when having different configurations with the different and different mode in zone-for the cross section thickened area, they are supported on mask user's the surface of face, perhaps be supported on an inside side on sealing lip limit, this side is the side away from the surface of mask user's face.
The different Shore hardness or the elastic modelling quantity of mask pad device especially in the zone of cross section thickened area, can also provide by preparing the elastomer compounds material that is used to form the mask pad device in a different manner.This different elastomer compounds material can be incorporated in the suitable die cavity of mould by dividing other to supply with opening.Zhi Bei elastomeric material can be introduced in successive a plurality of steps with respect to the time by different way.
Mask pad device according to the present invention can have this specific character, that is, it can for example be fitted on the dish type or arcuate body of duricrust element form by means of the relation of periphery edge part with sealing.This makes the mask pad device to take off from the duricrust element for the purpose of cleaning or changing.
As a kind of modification of above-mentioned measure, for the mask pad device, can also be integrally formed with dish type or arcuate body.This has been avoided forming gap area between mask pad device and dish type or arcuate body.
Especially, the adaptability according to mask pad device of the present invention can realize like this that is: the cross section thickened area is to apply flexibly suspension on the direction at least with the different and different mode of part.The resilient suspension of cross section thickened area can realize that especially this structure example is as being the form of folding or crimping (rolling) corrugated tube with bellows structure.For face sealing lip limit, can also be connected on the cross section thickened area by means of folding or crimping bellows structure.
The mask pad device can be designed to radial cross-section, is the cross section of mask pad device, changes to some extent.
Above-mentioned mask pad device forms the ingredient of respiratory mask, and this respiratory mask is applying on the zone that the position is engaged in mask user's nose and/or mouth.This mask pad can be with being in the relevant counter structure of nose cup and also can being used in the counter structure relevant with mask or full facepiece mask.
According to the present invention, the configuration of the cross section of elastomer structure can also use relatively with the forehead contact element.Therefore, according to further and also being the notion of replacing, can so that forehead contact pad designed be this configuration, promptly the elastomer region that reduced by Shore hardness of its deformation characteristic is given or by the district of void content increase giving.
Aspect the method for manufacturing mask pad device according to the present invention, aforesaid purpose is realized by a kind of like this method, that is: in the method, aspect the step that elastomeric material is introduced, this elastomeric material is introduced in the liner die cavity, wherein, the Temperature Distribution of die cavity medial wall and mould so mate off-period, make that forming Shore hardness at the internally crosslinked elastomeric material of die cavity exists different liner devices.
By adding the catalysis blocker to elastomeric material, this catalysis blocker can begin to stop further crosslinked from the crosslinked or crosslinking time of predetermined extent, thereby can be with the mode delay cross linking process of regulation.The catalysis blocker preferably is made of such mode, and promptly he can for example activate by the UV exposure or by microwave heating.Use catalysis or crosslinked blocker, so that exist the zone in those crosslinked districts of low degree to keep this state in the inherent fully long time, especially irrelevant with the back temperature controlling stages.
Preferably, aspect this, the Temperature Distribution of die cavity medial wall exists along the mode of the different Shore hardnes figure of its structure of peripheral direction with the liner device that forms in the die cavity to be controlled.
The Temperature Distribution of die cavity medial wall is also control by this way preferably, that is: the mask pad device has low Shore hardness in the zone near the forehead or the bridge of the nose when applying the position.
For the uncrosslinked elastomeric material in part, can be sucked away or blow out, and, can experience the back tempering for mask pad.By this way, can in the liner device, form cavity district or area under control.
Angle from the operational degree of this method, such mode is particularly advantageous, that is: the Temperature Distribution of die cavity medial wall changes in the process of introducing elastomeric material to some extent, make this medial wall at first have first kind, possible substantially invariable Temperature Distribution, and at mould in off-period, Temperature Distribution changes in this manner, makes can realize the crosslinked of low degree in the selection area of die cavity, and realizes lower Shore hardness thus.
Especially, Temperature Distribution for mould, can adopt this mode, that is: Temperature Distribution is in introducing the process of elastomeric material and have first high temperature distribute in the retention time subsequently, wherein, after the retention time disappeared, the selected district of die cavity medial wall was cooled to lower temperature.
For the instrument aspect, above-mentioned purpose is to realize by the mould that is used to make the mask pad device, this mould has dies cavity (die cavity) in the instrument its closed position, it is limited by the die cavity medial wall, and with the liner device complementation that will form, and has a heater, the medial wall that is used for the heating mould die cavity, wherein, mould is this configuration, that is: locate in the medial wall of mold cavity, not same district for the mask pad device that will form in die cavity has predetermined Temperature Distribution, and described predetermined temperature profile causes the not commensurability crosslinking degree of hardened elastomeric material in mold cavity.
Mould according to the present invention is preferably designed so that Temperature Distribution can regulate as follows, that is: the die cavity temperature in the die cavity of the part of sealing forehead region or the nasal bridge region part is lower than temperature in the set die cavity of the upper lip that is being used to form the mask pad device or lower jaw sealing area in being used to form the mask pad device.
If mould is provided with the cooling duct, for example by means of the selected part of the cooling molded instrument of cooling medium, wherein, cooling medium was controllably introduced with respect to the time, the embodiment of particularly advantageous mould aspect the ideal especially Temperature Distribution in die cavity medial wall so, just is provided.
In accordance with a further aspect of the present invention, also relate to the method for a kind of hermetically-sealed construction and manufacturing sealing structure.Especially the present invention relates to a kind of like this hermetically-sealed construction, the sealing structure is used for striding across hermetically or the seal clearance zone, and this gap area is for example relevant with pipe connection, storing apparatus, door and window structure.
Usually, this hermetically-sealed construction has sealing surface portion, and the sealing surface portion is formed by elastomeric material, and concerns against contact surface with elastic buckling.
The problem relevant with the sort of hermetically-sealed construction is: in some cases, required sealing effectiveness only exists under the quite high pressure and could realize with respect to surf zone.
The purpose of this invention is to provide a kind of hermetically-sealed construction, the sealing structure is convenient to make aspect technological design, and difference is to have higher sealing function and high degree of adaptability.
According to the present invention, this purpose is realized by following hermetically-sealed construction, the sealing structure comprises the matrix that is formed by elastomer moulding material (elastomer profile material), this matrix has such cross-sectional distribution, promptly have at least one cross section thickened area, and elastomeric material so processing make in the ratio nucleus of Shore hardness in the marginal area of cross section thickened area of moulding material near the height in the zone of the core of cross section thickened area.
Thus, advantageously can provide a kind of like this hermetically-sealed construction, this construction features is for having high degree of adaptability, even also be like this in the cross section thickened area.
According to particularly preferred embodiment of the present invention, design of Sealing Structure becomes to have the colloidal material characteristic in the zone of cross section thickened area.According to a highly advantageous elaboration of the invention, the dissimilar material properties in the zone of cross section thickened area can be implemented as: moulding material is so that different modes has different material crosslinking degrees with the zone is different.
The cross-sectional distribution of hermetically-sealed construction can be the sealing lip limit of cross section thickened area next-door neighbour one.
The different Shore hardness of moulding material or elastic modelling quantity, especially in the cross section thickened area, can by by different way the preparation the made hermetically-sealed construction of elastomer blends (compound-material) realize.These different elastomer compounds systems can be incorporated in the die cavity of mould by independent supply opening, especially are incorporated in the squeezing passage.The feed-in of the elastomer compounds mixture of different preparations can be carried out in the step of carrying out successively along with the time.
Can so design according to hermetically-sealed construction of the present invention, make it can be arranged to connect into the sealing ring form that periphery extends with respect to pipe.
As for the method for making according to hermetically-sealed construction of the present invention, above-mentioned purpose can realize by a kind of like this method, in the method, aspect the introducing elastomeric material, elastomeric material is incorporated in the hermetically-sealed construction die cavity, the heating of elastomeric material in die cavity realizes by rights, makes that the moulding material in the zone of cross section thickened area obtains than lower crosslinking degree in the marginal area of cross section thickened area or in the residue thin-walled portion of hermetically-sealed construction.
By add the catalysis blocker in moulding material, this catalysis blocker is further crosslinked from the crosslinked of predetermined extent or crosslinking time prevention, delay cross linking operation in accordance with regulations.This catalysis blocker preferably constitutes like this, makes it for example activate by UV exposure or microwave heating.The use of catalysis or crosslinked blocker made and keep this state in the zone in those districts with low cross-linking degree on the fully long time, and is especially irrelevant with the back temperature controlled processes.
Preferably, mate by this way for the Temperature Distribution that forms the die cavity inwall that hermetically-sealed construction provides, the hermetically-sealed construction each several part that promptly forms in die cavity has different Shore hardness.
Might in the zone of cross section thickened area, can be sucked away at least or blow out by uncrosslinked elastomeric material, and hermetically-sealed construction can experience back temperature control operation then.By this way, can in hermetically-sealed construction, provide hole or area under control.
Other details of the present invention and feature can become apparent from description with reference to the accompanying drawings.
Description of drawings
Fig. 1 is by the cross-sectional view according to the liner device of first embodiment of the invention, has the cross section thickened area of different Shore hardness and the zone that is wherein comprised;
Fig. 2 illustrates the cross-sectional view by the liner device, each zone that this device also has the cross section thickened area of dissimilar material properties and wherein forms;
Fig. 3 illustrates the view that the different temperatures that is used to illustrate mould die cavity medial wall distributes, and this mould is used for making the liner device that changes along peripheral direction Shore hardness;
Fig. 4 illustrates the profile of the cross section of explanation liner device, and the sealing cushion device has insertion element, and this insertion element is arranged in liner device inside, contiguous sealing lip limit and is crosslinked glue;
Fig. 5 a illustrates the modification of insertion element 16, and according to this modification, the gluey crosslinked main body of this insertion element 16 is the horse-hof shape configuration, and at the bridge of the nose that applies position extend through mask user;
Fig. 5 b illustrates the modification of insertion element 16, and wherein, the gluey crosslinked main body of this element is a kind of like this configuration, so as with ring form along the sealing lip limit, extend around mouth and/or nose opening;
Fig. 6 a illustrates the profile by the liner device, the sealing cushion device also has the cross section thickened area, and be filled with gel or foamed materials, and the sealing cushion device this by with sealing lip limit device be that the pocket of one partly forms, wherein, pocket part is covered by frame element, and sealing lip limit device is provided with housing, and this housing and liner device are formed by elastomeric material integratedly;
Fig. 6 b is the sectional view that passes through the liner device that is similar to Fig. 6 a, and wherein, frame element forms a syndeton, is used to connect the face shield shell that covers nasal area;
Fig. 6 c illustrates another profile by the liner device, and the sealing cushion device also has the cross section thickened area and is filled with surrender gel or foamed materials;
Fig. 7 is the simplified perspective view that comprises the cushion body of the gel that is used to support respiratory mask or foamed materials;
Fig. 8 illustrates the simplified side view that is used for illustrating in the possible structure of the cushion body lip-deep shown in Figure 7 of mask user face;
Fig. 9 illustrates the gel that is divided into a plurality of sections again or the simplified perspective view of foam spacer body, and wherein, each section has different mechanical properties, and especially Shore hardness difference, and intersection has the uneven configuration of (organically) on the organ;
Figure 10 illustrates three-dimensional representative graph, and the modification of cushion body is described, this cushion body has the part of excision in striding across the zone of the bridge of the nose;
Figure 11 is the profile by the cushion body section that is used for striding across nasal bridge region;
Figure 12 is the sketch of explanation at the configuration of the lip-deep cushion body of patient face;
Figure 13 illustrates and is used for illustrating the sketch that is fitted in the cushion body on patient's upper lip zone;
Figure 14 illustrates the perspective view of the sealing lip limit device that comprises relevant mask matrix, wherein sealing lip limit device has peripheral pocket part, this is partially filled gel or foamed materials, and in the zone of the surrounding zone, sealing lip limit that has the step configuration to be indicated the mask matrix is supported on the surface of patient face;
Figure 15 is the perspective view that is similar to the sealing lip limit device of comprising of Figure 14 of relevant mask main body, wherein, sealing lip limit device has peripheral pocket part, this is partially filled gel or foamed materials, and in the zone of the surrounding zone, sealing lip limit that has the step configuration to be indicated, the mask matrix is supported on the surface of patient face, and be provided with opening in the zone of the bridge of the nose or be terminated, make in this zone, on the bridge of the nose, not provide support via gel or foamed materials;
Figure 16 illustrates the perspective view of sealing lip limit device shown in Figure 15, with the peripheral pocket part that illustrates that the part is cut off;
Figure 17 illustrates the perspective view of respiratory mask, have can pivot, the forehead support device of removable connection and the sealing lip limit device that comprises relevant mask main body, shown in Figure 14 or 15;
Figure 18 a is the profile of the modification of forehead support liner to 18e, and this liner especially together uses with respiratory mask for example shown in Figure 17, and wherein, the forehead support liner has the cross section thickened area, and these districts are filled with gel or foamed materials; And
Figure 19 illustrates the perspective view according to the part of hermetically-sealed construction of the present invention, and the sealing structure has the zone that wherein is provided with of cross section thickened area and low Shore hardness.
The specific embodiment
Liner device 1 shown in Figure 1 comprises sealing lip limit 3, and sealing lip limit 3 is fitted into when applying the position on the surface 2 of this represented face.
Mask pad device 1 also comprises cross section thickened area 4, and this district is arranged between upper peripheral edge 5 and the sealing lip limit 3 in the present embodiment.
Cross section thickened area 4 is such configuration, that is: the Shore hardness that forms the material of cross section thickened area changes to some extent.Be almost gluey characteristic in this represented material sections.The Shore hardness of the material sections 6 of inside setting is lower than adjacent material sections 7, and the Shore hardness of material sections 7 is lower than adjacent material sections 8.The exterior lateral area of cross section thickened area by basically fully crosslinked elastomeric material make, and basic identical with the Shore hardness on sealing lip limit 3.
Dissimilar material properties in the zone of cross section thickened area 4 determines that by the Temperature Distribution of the mould that provides for manufacturing mask pad device and by the residence time of restriction mask means in mould this mask means is fully hardened at least in the zone near die cavity.
Can come delay cross linking process definitely by add the catalysis blocker to elastomeric material, wherein the catalysis blocker is further crosslinked from predetermined crosslinking degree or predetermined crosslinking time prevention.The catalysis blocker preferably constitutes like this, that is: it can for example activate by UV exposure or microwave heating.The use of catalysis or crosslinked blocker can keep this state for a long time in the zone in those districts that comprise the low cross-linking degree, especially also irrelevant with the back temperature controlling stages.
In the shown herein mask pad device 1, sealing lip limit 3 is connected on the cross section thickened area 4 by this way, makes that in the position that applies of mask pad device 1, cross section thickened area 4 might be landed on the 3a to the inside on sealing lip limit 3.By this way, mask pad device 1 can be supported on the surface 2 of face by means of cross section thickened area 4, in this case, by means of the particular community of cross section thickened area 4, only has low relatively surperficial contact pressure.
By this embodiment, by means of cross section thickened area 4, sealing lip limit 3 can additionally be resisted against on the surface of mask user face, especially for example, as this key area of nasal bridge region.
At this, what be provided with in the upper peripheral edge 5 is syndeton 6, by means of this syndeton 6, mask pad device 1 can with sufficient sealing relationship only be connected to this expression and form dish type or the duricrust element 7 of arcuate body on.
Mask pad device 1 shown here is formed by the bi-component silicon resin material, and wherein, material sections 6 is non-sclerous substantially, material sections 7 and 8 local gluey sclerosis, and the crosslinking degree of material sections 8 is greater than the crosslinking degree in the material sections 7.
The higher realization of degree that higher crosslinking degree in mask pad device 1 marginal area especially can heat by the silicone material to the adjacency cavity lateral.
Do not consider the above-mentioned configuration of cross section thickened area 4-or in the particularly advantageous mode that combines with this configuration-can make sealing lip limit 3 be included in different Shore hardnes figure in its peripheral configuration.These different Shore hardnes figures can also be achieved by the Temperature Distribution of setting up mould in the zone for the die cavity medial wall that forms the mould that mask pad device 1 provides arbitrarily.
Fig. 2 illustrates another embodiment of mask pad device 1, and itself and dish type or arcuate body 12 are integrally formed, and the inner space 10 and the neighboring area 11 of mask separated.
The cross section thickened area 4 that also provides in a second embodiment also has material sections 6,7,8, and they are different aspect the main Shore hardness that exists.In this embodiment, the cross section thickened area is fitted on the surface (not shown at this) of mask user's face by means of complete crosslinked lateral wall 3b, and this lateral wall 3b extends in the sealing lip limit 3.
Sealing lip limit 3 only forms a little sealing lip limit part at this, and this lip limit part extends radially inwardly with respect to the opening of nose and/or mouth.
Although not shown at this, cross section thickened area 4 and/or sealing lip limit 3 also can be connected on dish type or the arcuate body 12 by means of foldable structure, thereby this can be improved the adaptability of mask cushion device 1 with mask user's independent face structure.
Cross section thickened area 4 can be a kind of like this configuration, makes it extend around device fully, has a cross-sectional geometry that possibility is different.Yet as a kind of modification to it, in mask pad device 1, cross section thickened area 3 can only form in a part of like this zone, and this part is applying the position near forehead or near the bridge of the nose.
Different radial section geometries can also be provided on the peripheral direction of mask pad device 1, make for example in zone near upper lip or lower jaw, the cross section that passes mask pad device 1 corresponds essentially to the structure that schematically shows among Fig. 2, and in the zone of the close forehead in mask pad zone 1 or the bridge of the nose, the cross section of mask pad device 1 corresponds essentially to cross section shown in Figure 1.
Fig. 3 illustrates the die cavity medial wall in the mode of polar diagram and is adjacent to sealing lip limit device 3, and especially is adjacent to the temperature configuration of cross section thickened area 4.As from this polar diagram as can be seen, mainly be to compare relative low mean temperature TA with TC with temperature T B in the θ C in by the represented polar region of θ A with regional θ B, this causes the crosslinking degree of elastomeric material of mask pad device 1 lower.
Temperature T C in regional θ C surpasses the temperature T B in regional θ B.
Temperature among the θ A of zone determines crosslinking degree basically, and therefore determines in the Shore hardness near the sealing lip limit 3 in the zone of the forehead or the bridge of the nose.
Temperature T B in regional θ B determines the Shore hardness in sealing lip limit 3 basically, and this zone is near under the face or the side of nose.Temperature T C determines the Shore hardness of sealing lip limit in its peripheral part basically, and this neighboring area is fitted on the lower jaw or upper lip of mask wearer.
Temperature Distribution in this explanation can change in the residence time in the corresponding die cavity of elastomeric material at mould to some extent.Variation in temperature distribution in the mould die cavity can be by changing heating power or realizing with the differently cooling molded instrument of part.
Externally instrument and can providing in the zone of moulding core instrument cools off and/or heating element heater, and this core tool is contained in the external tool in the mould detent position, flows out the liner die cavity thus.
Liner device shown in Figure 4 comprises insertion element 16, and this insertion element 16 is made by elastomeric material, and the gluey sclerosis of this material also has epidermis.This insertion element is arranged in the medial region of liner device by means of fixed structure 13.Fixed structure 13 is by means of the liner device being shaped and forming as one with the liner device.This dome part 14 (bead portion) that is shaped so that insertion element 16 is fixed by retaining lip part 15.The part of insertion element 16 towards sealing lip limit 3 is such, makes it can be fitted into going up to the inside of sealing lip limit 3.
Fixed structure in the medial region of liner device can the insertion element of isomorphism type can connected this configuration in order to make.For the multiple and insertion element liner compatibility, the insertion element of gel, foam and/or form of tubes can be provided, and for these insertion elements, can be selected, and respiratory mask can be suitably equipped with them according to related specific operating position.Can preserve local at least at least one modification that is shaped, is preferably gluey insertion element in advance, this insertion element for example can become the condition of abundant plastification subsequently by heating, under this condition, this insertion element can be suitable for mask user's independent face structure.
The sketch map of Fig. 5 a illustrates the modification of insertion element 16, and wherein, the gluey crosslinked main body of insertion element is the horse-hof shape configuration, and is applying the position, and this insertion element is extended on the mask user bridge of the nose.
The sketch map of Fig. 5 b has illustrated the modification of insertion element 16, and wherein, the gluey crosslinked main body of insertion element is a loop configurations, along the sealing lip limit, and around mouth and/or the extension of nose opening.
The cross section of the insertion element 16 in the zone of subdivision plane π is for example corresponding to cross section shown in Figure 4.
Fig. 6 a illustrates sealing lip limit device with profile, sealing lip limit device also has the cross section thickened area, and be filled with gel or foamed materials, at this, this thickened area is formed in the pocket part 22, this pocket part 22 is integrally formed with sealing lip limit device, wherein, pocket part 22 is covered by frame element 20, and sealing lip limit device 21 is provided with housing 21, this housing and sealing lip limit device are integratedly, formed by elastomeric material, and be especially integrally formed with sealing lip limit 3.Pocket part 22 is limited by two sidewall sections, and these two sidewall sections form the part of sealing lip limit device.Frame element 20 forms and is used for the liner device is applied to bringing device in respiratory mask user's the face.What be provided with on frame element is imitative type configuration and latch-up structure, and they allow sealing lip limit device positively to be connected with frame element 20.Frame element can be formed by flexible material, so that allow mask pad and mask user's independent face structure further to adapt to.In an illustrated embodiment, frame element 20 forms a fixed structure, and by this fixed structure, pocket part 22 is sealed.Frame element 20 may be glued on the device of sealing lip limit, and very close to each other.
Fig. 6 b illustrates the sectional view that passes the liner device that is similar to Fig. 6 a, and wherein, frame element 20 forms a syndeton, is used for connecting the mask shell, and this mask shell covers on the nasal area and for example made by POM.In this embodiment, frame element 20 also forms a fixed structure, by this fixed structure sealing pocket part 4.
Fig. 6 c illustrates another profile that passes the liner device, and this device also has cross section thickened area 4 and is filled with surrender gel or foamed materials.Be similar to the embodiment of Fig. 6 a, sealing lip limit device comprises two sidewall sections 23,24, between these two sidewall sections, holds gel or foamed materials.Sidewall sections 23,24 has closed outline 27, and is kept together by this closed outline 27.The sealing lip limit device of Xing Chenging can be by being installed on the duricrust element that marginal portion 28 is fixed to respiratory mask by this way.
Fig. 6 a, 6b and 6c show by means of expression patient's nasal area.The cross sectional configuration of sealing lip limit device can change in this configuration along peripheral direction, and can produce different support performances and surface pressing.Preferably, the surface area ratio in the contact skin district of sealing lip limit device is in 18% to 54% scope, and wherein the contact skin district is supported under the effect of gel or foams.The surface area ratio in contact skin district that with the zone that gel or cushion body were supported is the edge is preferably in 46% to 82% scope.
Fig. 7 illustrates the simplified perspective view of the cushion body of shaping, and this cushion body comprises gel or foamed materials, is used for supporting respiratory mask, and this cushion body changes along the peripheral direction cross section in its configuration.It is relatively little that cushion body is designed to its cross-sectional area in the zone in the district that is used to stride across the bridge of the nose.Be used in the district in cheekbone or buccal zone, cushion body is the relative wall thickness, and has bigger deformable characteristic.
Fig. 8 illustrates the side view of a simplification, has illustrated that cushion body as shown in Figure 7 is at the lip-deep a kind of possible configuration of mask user face.Cushion body can be contained in the pocket part of sealing lip limit device, and this pocket partly is abundant complementary configuration, as reference Fig. 6 a, 6b and 6c and Figure 14,15 and 16 described.
Fig. 9 illustrates a simplified perspective view of gel or foam spacer body, and this cushion body is subdivided into a plurality of sections, and wherein, each section has different mechanical properties, and Shore hardness difference especially, and the out-of-flatness by organ shape (organically) of having a common boundary.In an illustrated embodiment, cushion body is made by gel rubber material, and is divided into lateral support section and upper lip supporting section again.These two sections transparent gel material by different colours are made, and are contained under confined state in the peripheral pocket of sealing lip limit device.Side support member 31 has left hand side support section 31a and right hand side support section 31b, and they connect together by means of bridge region 31c in the zone of the bridge of the nose.A preform section can also be provided, and lateral parts 31a, 31b in this section and the bridge region 31c separate, as shown in figure 11.Two lateral parts 31a and 31b can also interrupt in nasal bridge region.
Section 31a, 31b, 31c, 32 preferably in this wise, promptly they abut against each other by means of the boundary of out-of-flatness feature.This hinged configuration can be improved from the angle of aesthstic and construction machine, and in this respect, can have the crustose segment boundary profile of insecticide.
Figure 10 illustrates a perspective view, and the modification of cushion body is described, this cushion body has a part of excising in the bridge region of the bridge of the nose.Lateral parts 31a, 31b form a support system, are used for the mask support force is delivered to gel or foams Support G/S1.This gel or foams Support G/S1 are the edge with epipharynx contact area ID2, and this epipharynx contact area surpasses the zone of upper lip or the maxillary area and the bridge of the nose.This cushion body can be fitted in the pocket part of sealing lip limit device.
Figure 11 illustrates the profile of cushion body section 31c, and this section strides across the zone of the bridge of the nose, and is formed by soft especially, only crosslinked a little gel rubber material, and it strides across the bridge of the nose.Cushion body section 31c is such, makes it have one and connects the surface, and this connects the surface and allows advantageously to carry out the transition to from machinery side section 31a, 31b.
Figure 12 illustrates a sketch, illustrated between cushion body section 31c and the side section 31a transitional region and by the lip-deep roughly configuration of a plurality of sections this cushion bodies that form in patient face.Corresponding softer section has formed a terminal part that is bonded under the harder section.
Figure 13 illustrates a sketch, the cushion body section 32 that is fitted on patient's upper lip zone has been described, this cushion body section 32 is as being provided under the situation of sectional cushion body shown in Figure 12.Each of cushion body section preferably includes gel or the elastomeric material that has than the low cross-linking degree, and with directly against mode be contained in the pocket part of complementary configuration, perhaps separated from one another by component.
Figure 14 illustrates the perspective view of sealing lip limit device, comprises relevant mask matrix, and wherein, sealing lip limit device has peripheral pocket part, and this periphery pocket is partially filled gel or foamed materials, so that a cushion body (seeing Fig. 6 a, 6b and 6c) to be provided.In the zone of the sealing lip limit surrounding zone indicated by the step-like configuration of the hatching that has random orientation, at district GS1 (seeing Figure 10 simultaneously), the sealing lip limit device that forms with this form is supported on the mask matrix on the surface of patient face.By means of district ID2, the interior zone of sealing lip limit device 3 is against the surface of mask user face, and is irrelevant with the mask contact pressure basically.
Periphery pocket part 4 is by sidewall 23 sealings.By sidewall 23 around and the pocket that together forms with internal perisporium 24 by frame element 20 coverings.By means of frame element 20, the mask contact pressure can be applied directly on the gel or gasket material that holds in the pocket part 4.
Figure 15 illustrates the perspective view of the sealing lip limit device that is similar to Figure 14, it comprises relevant mask matrix, wherein, sealing lip limit device has peripheral pocket part, this periphery pocket is partially filled gel or foamed materials, and in the zone of surrounding zone, sealing lip limit the mask matrix is supported on the surface of patient face, wherein this surrounding zone is shown by step-like configuration.In the zone of the bridge of the nose, cushion body is provided with depression or is interrupted, and makes this district can not relate on the bridge of the nose any support by means of gel or foamed materials.
Figure 16 illustrates the perspective view of the sealing lip limit device of Figure 15, so that peripheral pocket part 4 to be described.The material that provides for the formation cushion body can be incorporated under non-molding condition in this periphery pocket part, and crosslinked definitely in the pocket part.The cushion body that can also be shaped in advance, especially sectional cushion body so that it is fitted in the pocket part, and for example is fixed in the pocket part by frame element.
Figure 17 illustrates the perspective view of respiratory mask, this respiratory mask have can pivot, the forehead support device of removable connection and the sealing lip limit device that comprises relevant mask matrix, shown in Figure 14 or 15.The details of this respiratory mask is described in patent application PCT/EP02/02877.The disclosure of this patent application is incorporated herein by reference.This respiratory mask comprises forehead pad 40, and this forehead pad is supported and is installed on the forehead support device 41 by elastomeric material.
Forehead pad 40 fixedly be that wherein the plug-in mounting utensil has a center to admit opening 42 by plug-in mounting device and adjacent maintenance or locking track 43, and keep or the locking track opening in fixed swage 44.The maintenance of forehead pad 40 or elongated insertion part structure 45 can join in those fixed swage 44, and forehead pad 40 is fixed on this position.Maintenance or locking track 43 are designed to forehead pad 40 and can be fixed on the forehead support device 41 in the position that is suitable for the mask user.
Figure 18 a illustrates the profile of the various modification of forehead support liner 40 to 18e, and these modification are especially together used with respiratory mask for example shown in Figure 17, and wherein, forehead support liner 40 has the cross section thickened area, and these districts are filled with gel or foamed materials.Forehead support liner 40 comprises support bar 46 and maintenance or elongated insertion part part 45.Support bar 46 and maintenance or elongated insertion part part 45 are this configuration, that is, their allow to make the banking motion that limits for the contact area that provides against patient's forehead.Provide shaped portion in the zone of this contact area, these shaped portions prevent to set up the pressure that reduces.
Liner 40 is provided with gel or foamed materials part 47.This part 47 and so improve around the elastomer sidewalls of this part, making to provide the hinged characteristic of the surface pressure distribution of a qualification and qualification.
Hermetically-sealed construction 7 shown in Figure 19 comprises sealing lip limit 1 and cross section thickened area 2, these cross section thickened area 2 contiguous seal lip limits.Fixedly profile (fixingprofiling) 3 is provided in the zone of cross section thickened area 2, and by means of this fixing profile 3, hermetically-sealed construction can be fixed to and keep on the profile element.
In the zone of cross section thickened area 2, the moulding material of hermetically-sealed construction is handled with following form, that is: the Shore hardness of the moulding material in the nucleus 4 of cross section thickened area 2 is less than in the marginal area 2a of cross section thickened area 2.In nucleus 4, moulding material has roughly colloidal material characteristic.In the zone 5,6 between nucleus 4 and marginal area 2a, moulding material is crosslinked as follows, that is: this region memory is in a kind of like this Shore hardness, just, obvious greater than the SH in nucleus 4, but less than the Shore hardness in the edge region 2a.In this embodiment, the Shore hardness in the interior zone 5 in adjacent core zone 4 is lower than the Shore hardness in adjacent annular region 6.
Hermetically-sealed construction characteristics according to the present invention are: it has the cross section thickened area of differential hardening.Preferably formed by injection molding or the extra crosslinked material of extruding form according to hermetically-sealed construction of the present invention, especially silicone material forms.By coupling control, can in the narrower margin of tolerance, set up ideal crosslinking degree to the Temperature Distribution of die cavity or extrusion modling conduit wall.According to particularly preferred embodiment of the present invention, the cross-linking reaction in the cross section thickened area is initiatively stoped, and can keep the ideal material characteristic of cross section thickened area thus with long durability.
Cross-linking reaction especially can prevent that catalytic reaction from being stopped by the adding or the activation of catalysis blocker.The activation of catalysis blocker especially can be by UV light, by microwave, by electromagnetic radiation or also can be achieved by the catalysis blocker is injected in the cross section thickened area.In this particularly preferred embodiment, hermetically-sealed construction according to the present invention forms from additional-crosslinked LSR silicones, wherein, the thoroughly sclerosis of the zone on sealing lip limit shown here, and the cross section thicker region adjacent with sealing lip limit 1 has the district that crosslinking degree weakens, and especially has gel-elastic characteristic.Cross section thickened area 2 has crosslinked crust fully at its marginal area 2a, and the material in nucleus 4 is almost uncrosslinked.

Claims (35)

1. mask that is used for breathing equipment that is used for the treatment of patient comprises:
Be used to seal sealing lip limit with patient's junction;
Mask pad (1) is arranged between mask shell (7) and sealing lip limit (3), is used for the face of sealing lip limit to patient promoted;
Wherein, mask pad (1) has the Shore hardness of variation along its cross section, and the Shore hardness of the first area of the close described mask shell of described at least mask pad be higher than mask pad, than the first area of described mask pad away from the Shore hardness of other medial region of described mask shell; And wherein said mask pad has different Shore hardnes figures along peripheral direction.
2. the patient's of the being used for the treatment of as claimed in claim 1 mask that is used for breathing equipment is characterized in that, described mask pad comprises the colloidal material substrate.
3. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment is characterized in that, described mask pad comprises the elastomer compounds material.
4. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment is characterized in that, sealing lip limit and mask pad form together.
5. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment is characterized in that, makes the hardness difference by different material crosslinking degrees.
6. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment is characterized in that, at least two kinds of elastomer compounds materials make the hardness difference, and these elastomer compounds differently prepare.
7. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment, it is characterized in that, also comprise: receive opening, this reception opening overlaps with mask user's the nose and/or the open area of mouth at least in the position that applies of respiratory mask, and the sealing lip limit is formed by elastomeric material, extend around receiving opening, and be fitted on the surface of mask user face applying position seals lip limit.
8. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment is characterized in that, this mask shell is the duricrust element, and this duricrust element forms disc body, and mask pad is thereon adaptive.
9. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment is characterized in that, mask pad and mask shell form.
10. the patient's of the being used for the treatment of as claimed in claim 9 mask that is used for breathing equipment is characterized in that, mask pad and disc body are integrally formed.
11. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment, it is characterized in that, this mask pad comprises at least one cross section thickened area, this cross section thickened area apply on the direction at least with the different and different mode elastic buckling in position hung.
12. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment is characterized in that the sealing lip limit is elastically connected to mask pad by means of foldable structure.
13. the patient's of the being used for the treatment of as claimed in claim 12 mask that is used for breathing equipment is characterized in that the sealing lip limit is elastically connected on the cross section thickened area by means of foldable structure.
14. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment is characterized in that mask pad comprises the bag of sealing, colloidal material is in this bag.
15. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment, it is characterized in that the Shore hardness of mask pad in the zone in each district that is in the close forehead when applying the position or the bridge of the nose is lower than near the Shore hardness in the lateral surrounding zone of buccal, upper lip or nose regional.
16. the patient's of the being used for the treatment of as claimed in claim 1 or 2 mask that is used for breathing equipment, it is characterized in that, at least one cross section thickened area is provided in mask pad, and the mask pad material of described cross section thickened area has different material behaviors, make that in the marginal area of cross section thickened area the Shore hardness of mask pad is higher than in the core of cross section thickened area or at least near the Shore hardness in the zone of this core.
17. the patient's of the being used for the treatment of as claimed in claim 16 mask that is used for breathing equipment, it is characterized in that mask pad is being in when applying the position Shore hardness that is lower than near the Shore hardness in the zone in each district of the forehead or the bridge of the nose near in each district of lateral periphery of buccal, upper lip or nose regional.
18. the patient's of the being used for the treatment of as claimed in claim 16 mask that is used for breathing equipment is characterized in that, in the nucleus of cross section thickened area, material has the colloidal material characteristic.
19. the patient's of the being used for the treatment of as claimed in claim 16 mask that is used for breathing equipment is characterized in that, makes to have different material behaviors in the zone of cross section thickened area by different material crosslinking degrees.
20. the patient's of the being used for the treatment of as claimed in claim 16 mask that is used for breathing equipment is characterized in that, the contiguous sealing lip of cross section thickened area limit.
21. the patient's of the being used for the treatment of as claimed in claim 16 mask that is used for breathing equipment is characterized in that, the cross section thickened area when applying the position so that different modes places on the surface of mask user face at least with the position is different.
22. the patient's of the being used for the treatment of as claimed in claim 16 mask that is used for breathing equipment, it is characterized in that, so that different modes places going up to the inside of facial sealing lip limit at least with the position is different, this is to the inside away from the surface of mask user face when applying the position for the cross section thickened area.
23. the patient's of the being used for the treatment of as claimed in claim 16 mask that is used for breathing equipment is characterized in that, the cross section thickened area is formed by at least two kinds of elastomer compounds materials, and these two kinds of elastomer compounds materials differently prepare.
24. the patient's of the being used for the treatment of as claimed in claim 8 mask that is used for breathing equipment is characterized in that, disc body is bonded on when applying the position on mask user's the nose and/or mouth zone.
25. method of making the mask pad of respiratory mask as claimed in claim 1, wherein, in the process of introducing elastomeric material, elastomeric material is incorporated in the mask pad die cavity, wherein, the Temperature Distribution of die cavity medial wall and mould are so controlled off-period, make and in die cavity, realize different Shore hardnes figures with the elastomeric material that forms mask pad along its cross section through crosslinked, and wherein, the Temperature Distribution of die cavity medial wall is so controlled, and makes the mask pad that forms in die cavity have different Shore hardnes figures along peripheral direction in its configuration.
26. method as claimed in claim 25 is characterized in that Temperature Distribution is so controlled, and makes mask pad realize lower Shore hardnes figure in such zone, this zone is the close forehead or the bridge of the nose when applying the position.
27., it is characterized in that the Temperature Distribution of die cavity medial wall has first temperature distributing characteristic as claim 25 or 26 described methods in introducing the elastomeric material process, and this temperature distributing characteristic changes to some extent in off-period at mould.
28. method as claimed in claim 27 is characterized in that, Temperature Distribution has first high temperature and distributes in introducing the process of elastomeric material, and during mould off-period, the selection area of die cavity medial wall is cooled and reduces temperature.
29. method as claimed in claim 28 is characterized in that, it is constant that first high temperature distributes.
30. method as claimed in claim 25, wherein, in introducing the elastomeric material process, elastomeric material be introduced in the described die cavity or the extrusion modling passage of mask pad in, wherein, Temperature Distribution and residence time in die cavity or extrusion modling passage are matched to, and make the different Shore hardness of acquisition in the crosslinked zone of elastomeric material in the cross section thickened area that forms mask pad.
31. method as claimed in claim 30 is characterized in that, in the nucleus of cross section thickened area, delay or prevention material are crosslinked.
32. as claim 30 or 31 described methods, it is characterized in that, expose to the delay cross linking process by UV.
33. as claim 30 or 31 described methods, it is characterized in that, come the delay cross linking process by microwave radiation.
34. as claim 30 or 31 described methods, it is characterized in that, come the delay cross linking process by electromagnetic radiation.
35., it is characterized in that crosslinkedly being postponed in the zone of cross section thickened area as claim 30 or 31 described methods by the catalysis blocker is injected in the nucleus.
CN2010102322641A 2002-06-14 2003-06-16 Mask cushioning and forehead pad for a respiratory mask, respiratory mask, manufacturing mould and method for producing the same Expired - Fee Related CN101954140B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10226587.9 2002-06-14
DE2002126587 DE10226587A1 (en) 2002-06-14 2002-06-14 Respiration mask has sealing padding around the mouth and nose opening, with a thickened cross section structure giving zones of a different hardness, for a sealing action with comfort in use
DE10228554.3 2002-06-26
DE2002128554 DE10228554A1 (en) 2002-06-26 2002-06-26 Respiration mask has sealing padding around the mouth and nose opening, with a thickened cross section structure giving zones of a different hardness, for a sealing action with comfort in use

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CN03813817.4A Division CN1735438B (en) 2002-06-14 2003-06-16 Mask cushioning and forehead pad for a respiratory mask, respiratory mask in addition to a mould and method for their production

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CN101954140A CN101954140A (en) 2011-01-26
CN101954140B true CN101954140B (en) 2013-07-24

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US (1) US20050199239A1 (en)
EP (3) EP1515769B1 (en)
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